The claim that social protection is a luxury good-with a national income elasticity exceeding unity-has been influential. The paper tests the "luxury good hypothesis" using newly-assembled data on social protection spending across countries since 1995, treating the pandemic period separately, as...

The claim that social protection is a luxury good--with a national income elasticity exceeding unity--has as been influential. The paper tests the "luxury good hypothesis" using newly-assembled data on social protection spending across countries since 1995, treating the pandemic period...

The claim that social protection is a luxury good—with a national income elasticity exceeding unity—has been influential. The paper tests the “luxury good hypothesis” using newly-assembled data on social protection spending across countries since 1995, treating the pandemic period...

This paper reviews the literature that explores the drivers and effects of financial secrecy on emerging economies. It shows that most of the research on financial secrecy has been focused on issues of tax avoidance, neglecting the problems of institutional arbitrage that go beyond taxation...

To the surprise of many observers, the 2005 International Comparison Program (ICP) found substantially higher purchasing power parity (PPP) rates, relative to market exchange rates, in most developing countries. For example, China’s price level index - the ratio of its PPP to its exchange rate...

Development impact calls for knowledgeable development practitioners. How then do the operational staff of the largest development agency value and use its research? Is there an incentive to learn and does it translate into useful knowledge? A new survey reveals that the bulk of the World Bank's...

While the 2008 financial crisis is global in nature, it is likely to have heterogeneous welfare impacts within the developing world, with some countries, and some people, more vulnerable than others. It also threatens to have lasting impacts for some of those affected, notably through the...

The paper presents the first major update of the international "USD 1 a day" poverty line, first proposed in 1990 for measuring absolute poverty by the standards of the world's poorest countries. In a new data set of national poverty lines we find that a marked economic gradient only emerges...